Dampening Pad Silicone Mold for 3D Printer

I was getting a lot of noise from my delta style 3D printer vibrating on top of my wooden workbench so I decided to mold some feet from a silicone recipe I found. I plan on filling the mold with the silicone and then use M4 socket head cap screws to hold it on to the 2020 aluminum extrusion frame.

Here is the recipe: https://www.youtube.com/watch?v=7fwytA5r2Mw